An interesting hypothesis Mr T, but I don't think you can state with any degree of certainty, that "Scotland would lose 80% if its trade if becoming independent"
I have little knowledge of big business methods, but I know that made in Scotland is a sought after brand and we produce many things that the world wants any temporary obstacles would be overcome by everyone working in their own interests.......just like the currency issue, but the fear tactic worked for the moment.

You are a bit behind the times Teribus, there are now almost 75000 SNP "eejits" who want to put their heart and soul into obtaining self determination for Scotland. This equates to the whole population of a medium sized town!......and still rising, how many people are rushing to join the Westminster parties?......With the exception of Mr Farage's band of rebels, he has certainly shown up Westmister toadies for what they are.

The "vow" of more powers, was made to only the people of Scotland IF they voted NO in the referendum, no ifs, no buts, and they better come up with the goods before the next election.